Re: [Qemu-devel] [PATCH] virtio-serial: Fix check for 'assert'; prevent NULL derefs

[Anthony Liguori]

On 04/30/2010 06:13 AM, Amit Shah wrote:
> In the flush_queued_data() function, we expect port to be valid. Assert
> only for port and not port || discard.
>
> Reported-by: Juan Quintela<address@hidden>
> Signed-off-by: Amit Shah<address@hidden>
>    

Applied.  Thanks.

Regards,

Anthony Liguori
> ---
>   hw/virtio-serial-bus.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c
> index 97694d5..3ce95e8 100644
> --- a/hw/virtio-serial-bus.c
> +++ b/hw/virtio-serial-bus.c
> @@ -137,7 +137,7 @@ static void do_flush_queued_data(VirtIOSerialPort *port, 
> VirtQueue *vq,
>
>   static void flush_queued_data(VirtIOSerialPort *port, bool discard)
>   {
> -    assert(port || discard);
> +    assert(port);
>
>       do_flush_queued_data(port, port->ovq,&port->vser->vdev, discard);
>   }
>